121030330 has 32 divisors (see below), whose sum is σ = 225870480. Its totient is φ = 46656000.

The previous prime is 121030309. The next prime is 121030331. The reversal of 121030330 is 33030121.

It can be written as a sum of positive squares in 8 ways, for example, as 92332881 + 28697449 = 9609^2 + 5357^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121030330.

It is not an unprimeable number, because it can be changed into a prime (121030331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38830 + ... + 41830.

Almost surely, 2^121030330 is an apocalyptic number.

121030330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121030330 is a deficient number, since it is larger than the sum of its proper divisors (104840150).

121030330 is a wasteful number, since it uses less digits than its factorization.

121030330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 121030330 is about 11001.3785499818. The cubic root of 121030330 is about 494.6500672724.

Adding to 121030330 its reverse (33030121), we get a palindrome (154060451).

The spelling of 121030330 in words is "one hundred twenty-one million, thirty thousand, three hundred thirty".